入社1年目。社員研修で本社へ出向したうらら。懇親会を兼ねた飲み会で酔い潰れヤリチンと噂の同期と相部屋に！「なんで…こいつの事、大嫌いなのに…」そっけない態度が災いし、火が付いた同期からの強●レ○プ！彼氏がいるのに、こんな男のち○ぽでイクわけないのに…次第に嫌悪感を超える快楽がうららを襲う。ヤリチンのテクニックは凄まじく、遂には自分から懇願するほどイキ壊されてしまう…

It's Urara's first year at the company. She's been sent to headquarters for employee training. At a drinking party that doubles as a social gathering, she gets drunk and ends up sharing a room with a colleague rumored to be a womanizer! "Why… I hate this guy so much…" Her cold attitude backfires, and her colleague gets aroused and s her! She has a boyfriend, so there's no way she'd come from a guy's dick like this… but gradually, pleasure overcomes her revulsion. The womanizer's technique is incredible, and she ends up begging him to continue, completely broken down into orgasms…